copperplate

& a. [Eng. copper, and plate.] A. As substantive: 1. A sheet or plate of copper on which a design is engraved. In copperplate engraving the lines are etched, or cut by a graver in a plate; then filled in with an ink; the surface of the plate wiped clean; the paper laid upon the surface of the plate, and both run through a roller-pre , by which the ink is transferred to the paper. 2. An impre ion or print on paper from an engraved copperplate. B. As adj .: Pertaining to the art of engraving on copper. Copperplate Printing -pre : A pre for obtain ing impre ions from sunken engravings; that is, those in which the design is cut into the copper or steel plate, in contradistinction to such as have the design salient, as in wood-engravings, where the part which is not designed to print is cut away. [COPPERPLATE.] ( Knight .)